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太阳能发电监测系统论文[带图纸].doc

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太阳能发电监测系统论文[带图纸].doc

西安文理学院机械电子工程系本科毕业设计(论文)题目太阳能发电监测系统专业班级08机械2班学号08102080206学生姓名朱立指导教师成珂设计所在单位西安文理学院2012年5月太阳能发电监测系统摘要为了监测太阳能光伏发电系统的工作现状,本文在初步设计了太阳能光伏发电系统的基础上,并针对负载的需求设计出了一套具体的实验发电系统与监测系统,主要工作有(1)发电系统设计以实验负载确定光伏发电系统的各组成元件(2)监测系统设计针对设计好的光伏发电系统采用监测设备(3)数据采集通过电压、电流变送器将监测信号转换为05V标准电压信号,最终将其导入导数据采集卡,进行数据采集(4)实验监测将数据采集卡与计算机相连,通过数采卡自带显示模块,将所得到的数据显示出来,以达到监测的目的。经过对太阳能光伏发电监测系统的设计,通过对流入流出各个设备间的电压、电流值的变化,实现对各设备功率的监测。找到可以提高发电效率的环节,实现预期的目的。通过实验可以发现,该监测系统可实际用于单户小型太阳能发电系统,具有抗干扰能力强、操作简便、显示准确的特点。关键词太阳能光伏发电监测数据采集SolarPhotovoltaicPowerGenerationSystemAbstractThispaperexpoundsthesolarphotovoltaicpowergenerationsystemprinciple,components,andinthelightoftheloaddemanddesignoutadetailedexperimentalpowergenerationsystemsandmonitoringsystem,themainworkis1powergenerationsystemdesignusetheexperimentloadtoensurethevariouscomponentsforphotovoltaicsystem2monitoringsystemdesignusemonitoringequipmentaccordingtothedesignedphotovoltaicsystem3datacollectionthroughthevoltagetransducerandelectricitytransducer,monitoringsignalswillbeconvertedto05Vstandardvoltagesignal,whichwillbeputintotheDataAcquisitionCardforcollecttingdatas4experimentsmonitoringconnectedtotheDataacquisitionCardandcomputers,throughDataacquisitionCardcarryingdisplaymoduleitself,toshowthedatawhichreceivedandachievethepurposeofmonitoring.Afterthesolarphotovoltaicenergymonitoringsystemdesign,throughthechangeoftheinflowandoutfloweachequipmentsvoltageandcurrent,andtorealizedthemonitoringofeachequipment.Findthelinkwhichcanbeimprovedforpowerefficiency,thenrealizadoftheexpectedgoal.Throughtheexperimentswecanfoundthat,themonitoringsystemcanbeuesdforsingledoorandsmallsolarpowergenerationsystem,whickhasthecharacteristicsofstrongantiinterference,operationsimple,showedaccurate,andsoon.KeywordsSolarenergyPhotovoltaicpowerMonitoringDataacquisition目录目录第一章绪论....................................................................................................11.1研究背景..................................................................................................11.2太阳能的介绍..........................................................................................21.2.1太阳能的含义...............................................................................21.2.2太阳能的发展历史.......................................................................21.2.3我国太阳能资源...........................................................................21.2.4太阳能的应用...............................................................................21.2.5太阳能发电...................................................................................31.3太阳能光伏发电系统介绍......................................................................4第二章太阳能电池发电原理..............................................................................62.1光电效应概述..........................................................................................62.2光生伏特效应概述及应用......................................................................62.2.1光生伏特效应...............................................................................62.2.2光生伏特效应应用.......................................................................82.3太阳能电池及其太阳能组件..................................................................82.3.1太阳能电池的工作原理...............................................................82.3.2太阳能电池的生产流程...............................................................82.3.3太阳能电池的制造技术..............................................................82.3.4太阳电池组装工艺简介..............................................................92.3.5太阳能电池阵列设计步骤........................................................11第三章太阳能光伏发电系统设计....................................................................133.1太阳能光伏发电系统工作原理............................................................133.2系统设计地点概况................................................................................133.3系统设计要求........................................................................................133.3.1负载需求.....................................................................................133.3.2参数要求.....................................................................................133.4太阳能光伏发电系统的组成................................................................133.2.1蓄电池.........................................................................................133.2.2太阳能控制器.............................................................................153.2.3逆变器.........................................................................................163.4.4太阳能电池板.............................................................................173.5系统组装................................................................................................193.6太阳能光伏发电系统的发电方式........................................................203.7太阳能光伏发电系统对逆变电源的要求............................................20目录第四章监测系统设计........................................................................................224.1电压变送器............................................................................................224.1.1工作原理.....................................................................................224.1.2性能优点.....................................................................................224.1.3电压变送器的选择.....................................................................234.2电流变送器............................................................................................234.2.1工作原理.....................................................................................234.2.2性能优点.....................................................................................244.2.3电流变送器选择.........................................................................244.3数据采集卡............................................................................................254.3.1工作原理.....................................................................................254.3.2技术参数.....................................................................................254.3.3数据采集卡的选择.....................................................................264.4温度变送器............................................................................................274.4.1温度变送器原理.........................................................................274.4.2温度变送器的选择.....................................................................284.5太阳辐射变送器....................................................................................304.6实验设计思想........................................................................................314.6.1实验步骤.....................................................................................314.6.2实验方法.....................................................................................324.6.3数据的对比.................................................................................32第五章总结与展望............................................................................................335.1总结........................................................................................................335.2展望........................................................................................................33小结..................................................................................................................35参考文献..............................................................................................................36致谢..................................................................................................................37附录.....................................................................................错误未定义书签。

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